Home / 144,840,189.92-199,873,380.09-82,120,508.32

Finding the Fourth Proportional to 144,840,189.92, 199,873,380.09 and 82,120,508.32

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Solution

The fourth proportional to 144,840,189.92, 199,873,380.09 and 82,120,508.32 is: 113,322,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,840,189.92 : 199,873,380.09 = 82,120,508.32 : x
  2. Step 2: Convert to fraction form
    144,840,189.92/199,873,380.09 = 82,120,508.32/x
  3. Step 3: Cross multiply
    144,840,189.92x = 199,873,380.09 × 82,120,508.32
  4. Step 4: Simplify right side
    144,840,189.92x = 16,413,703,572,127,684
  5. Step 5: Solve for x
    x = 16,413,703,572,127,684/144,840,189.92
  6. Step 6: Final answer
    x = 113,322,853.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.